diff --git a/hasher-matcher-actioner/src/OpenMediaMatch/storage/interface.py b/hasher-matcher-actioner/src/OpenMediaMatch/storage/interface.py
index 75fb9420f..0a88c4ed4 100644
--- a/hasher-matcher-actioner/src/OpenMediaMatch/storage/interface.py
+++ b/hasher-matcher-actioner/src/OpenMediaMatch/storage/interface.py
@@ -22,6 +22,7 @@
 
 import flask
 
+from threatexchange.storage.interfaces import IContentTypeConfigStore
 from threatexchange.utils import dataclass_json
 from threatexchange.content_type.content_base import ContentType
 from threatexchange.signal_type.signal_base import SignalType
@@ -50,16 +51,6 @@ class ContentTypeConfig:
     content_type: t.Type[ContentType]
 
 
-class IContentTypeConfigStore(metaclass=abc.ABCMeta):
-    """Interface for accessing ContentType configuration"""
-
-    @abc.abstractmethod
-    def get_content_type_configs(self) -> t.Mapping[str, ContentTypeConfig]:
-        """
-        Return all installed content types.
-        """
-
-
 @dataclass
 class SignalTypeConfig:
     """
diff --git a/python-threatexchange/threatexchange/storage/__init__.py b/python-threatexchange/threatexchange/storage/__init__.py
new file mode 100644
index 000000000..71ca4b12c
--- /dev/null
+++ b/python-threatexchange/threatexchange/storage/__init__.py
@@ -0,0 +1 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
diff --git a/python-threatexchange/threatexchange/cli/storage/interfaces.py b/python-threatexchange/threatexchange/storage/interfaces.py
similarity index 100%
rename from python-threatexchange/threatexchange/cli/storage/interfaces.py
rename to python-threatexchange/threatexchange/storage/interfaces.py